From patchwork Mon Sep 27 22:43:59 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lucas Meneghel Rodrigues X-Patchwork-Id: 213582 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id o8RMforK032214 for ; Mon, 27 Sep 2010 22:41:52 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760349Ab0I0WlV (ORCPT ); Mon, 27 Sep 2010 18:41:21 -0400 Received: from mx1.redhat.com ([209.132.183.28]:37982 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755831Ab0I0WlU (ORCPT ); Mon, 27 Sep 2010 18:41:20 -0400 Received: from int-mx02.intmail.prod.int.phx2.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id o8RMfI4X018176 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Mon, 27 Sep 2010 18:41:18 -0400 Received: from virtlab105.virt.bos.redhat.com (virtlab105.virt.bos.redhat.com [10.16.72.124]) by int-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id o8RMf342003834; Mon, 27 Sep 2010 18:41:17 -0400 From: Lucas Meneghel Rodrigues To: autotest@test.kernel.org Cc: kvm@vger.kernel.org, mst@redhat.com, akong@redhat.com, jasowang@redhat.com, psuriset@linux.vnet.ibm.com, mgoldish@redhat.com, "Cao, Chen" Subject: [PATCH 13/18] KVM test: Add a subtest of changing MAC address Date: Mon, 27 Sep 2010 18:43:59 -0400 Message-Id: <1285627444-2732-14-git-send-email-lmr@redhat.com> In-Reply-To: <1285627444-2732-1-git-send-email-lmr@redhat.com> References: <1285627444-2732-1-git-send-email-lmr@redhat.com> X-Scanned-By: MIMEDefang 2.67 on 10.5.11.12 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter1.kernel.org [140.211.167.41]); Mon, 27 Sep 2010 22:41:52 +0000 (UTC) diff --git a/client/tests/kvm/tests/mac_change.py b/client/tests/kvm/tests/mac_change.py new file mode 100644 index 0000000..010c395 --- /dev/null +++ b/client/tests/kvm/tests/mac_change.py @@ -0,0 +1,68 @@ +import logging +from autotest_lib.client.common_lib import error +import kvm_utils, kvm_test_utils + + +def run_mac_change(test, params, env): + """ + Change MAC address of guest. + + 1) Get a new mac from pool, and the old mac addr of guest. + 2) Set new mac in guest and regain new IP. + 3) Re-log into guest with new MAC. + + @param test: KVM test object. + @param params: Dictionary with the test parameters. + @param env: Dictionary with test environment. + """ + timeout = int(params.get("login_timeout", 360)) + vm = kvm_test_utils.get_living_vm(env, params.get("main_vm")) + logging.info("Trying to log into guest '%s' by serial", vm.name) + session = kvm_utils.wait_for(lambda: vm.serial_login(), + timeout, 0, step=2) + if not session: + raise error.TestFail("Could not log into guest '%s'" % vm.name) + + old_mac = vm.get_mac_address(0) + new_different = False + while not new_different: + kvm_utils.free_mac_address(vm.root_dir, vm.instance, 0) + new_mac = kvm_utils.generate_mac_address(vm.root_dir, + vm.instance, + 0, vm.mac_prefix) + if old_mac != new_mac: + new_different = True + logging.info("The initial MAC address is %s", old_mac) + interface = kvm_test_utils.get_linux_ifname(session, old_mac) + # Start change MAC address + logging.info("Changing MAC address to %s", new_mac) + change_cmd = ("ifconfig %s down && ifconfig %s hw ether %s && " + "ifconfig %s up" % (interface, interface, new_mac, interface)) + if session.get_command_status(change_cmd) != 0: + raise error.TestFail("Fail to send mac_change command") + + # Verify whether MAC address was changed to the new one + logging.info("Verifying the new mac address") + if session.get_command_status("ifconfig | grep -i %s" % new_mac) != 0: + raise error.TestFail("Fail to change MAC address") + + # Restart `dhclient' to regain IP for new mac address + logging.info("Restart the network to gain new IP") + dhclient_cmd = "dhclient -r && dhclient %s" % interface + session.sendline(dhclient_cmd) + + # Re-log into the guest after changing mac address + if kvm_utils.wait_for(session.is_responsive, 120, 20, 3): + # Just warning when failed to see the session become dead, + # because there is a little chance the ip does not change. + logging.warn("The session is still responsive, settings may fail.") + session.close() + + # Re-log into guest and check if session is responsive + logging.info("Re-log into the guest") + session = kvm_test_utils.wait_for_login(vm, + timeout=int(params.get("login_timeout", 360))) + if not session.is_responsive(): + raise error.TestFail("The new session is not responsive.") + + session.close() diff --git a/client/tests/kvm/tests_base.cfg.sample b/client/tests/kvm/tests_base.cfg.sample index b8b7662..c55396d 100644 --- a/client/tests/kvm/tests_base.cfg.sample +++ b/client/tests/kvm/tests_base.cfg.sample @@ -513,6 +513,10 @@ variants: restart_vm = yes pxe_timeout = 60 + - mac_change: install setup unattended_install.cdrom + type = mac_change + kill_vm = yes + - physical_resources_check: install setup unattended_install.cdrom type = physical_resources_check catch_uuid_cmd = dmidecode | awk -F: '/UUID/ {print $2}' @@ -1287,7 +1291,7 @@ variants: # Windows section - @Windows: - no autotest linux_s3 vlan_tag ioquit unattended_install.(url|nfs|remote_ks) jumbo file_transfer nicdriver_unload nic_promisc multicast + no autotest linux_s3 vlan_tag ioquit unattended_install.(url|nfs|remote_ks) jumbo file_transfer nicdriver_unload nic_promisc multicast mac_change shutdown_command = shutdown /s /f /t 0 reboot_command = shutdown /r /f /t 0 status_test_command = echo %errorlevel%